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PhysicsNEET 2021Self and mutual inductance

Electromagnetic Induction

Two conducting circular loops of radii R1R_1 and R2R_2 are placed in the same plane with their centres coinciding. If R1≫R2R_1 \gg R_2, the mutual inductance MM between them will be directly proportional to:

  1. A.R1R2\dfrac{R_1}{R_2}
  2. B.R2R1\dfrac{R_2}{R_1}
  3. C.R12R2\dfrac{R_1^2}{R_2}
  4. D.R22R1\dfrac{R_2^2}{R_1}✓

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